812116411 has 16 divisors (see below), whose sum is σ = 868008960. Its totient is φ = 757628640.

The previous prime is 812116399. The next prime is 812116421. The reversal of 812116411 is 114611218.

It is a cyclic number.

It is not a de Polignac number, because 812116411 - 2⁵ = 812116379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (812116421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 366870 + ... + 369076.

It is an arithmetic number, because the mean of its divisors is an integer number (54250560).

Almost surely, 2^812116411 is an apocalyptic number.

812116411 is a deficient number, since it is larger than the sum of its proper divisors (55892549).

812116411 is a wasteful number, since it uses less digits than its factorization.

812116411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2514.

The product of its digits is 384, while the sum is 25.

The square root of 812116411 is about 28497.6562369610. The cubic root of 812116411 is about 932.9809199125.

Adding to 812116411 its reverse (114611218), we get a palindrome (926727629).

The spelling of 812116411 in words is "eight hundred twelve million, one hundred sixteen thousand, four hundred eleven".